#D23B3B#D23B3B

#D23B3B is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.8% C 0.188 H 25.3°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#D23B3B
RGB	rgb(210, 59, 59)
HSL	hsl(0, 63%, 53%)
HSV	hsv(0, 72%, 82%)
CMYK	cmyk(0%, 71.9%, 71.9%, 17.6%)
CIE-LAB	lab(48.45, 58.56, 35.33)
CIE-LCH	lch(48.45, 68.40, 31.11°)
OKLab	oklab(57.82% 0.1701 0.0804)
OKLCH	oklch(57.82% 0.188 25.3)
XYZ	xyz(28.9350, 17.1497, 5.9235)
Luminance	0.1714 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23B3B #3BD2D2

analogous

#D23B86 #D23B3B #D2863B

triadic

#D23B3B #3BD23B #3B3BD2

tetradic

#D23B3B #86D23B #3BD2D2 #863BD2

square

#D23B3B #86D23B #3BD2D2 #863BD2

split-complementary

#D23B3B #3BD286 #3B86D2

monochromatic

#771B1B #A92727 #D23B3B #DD6D6D #E99F9F

Accessibility & contrast

On white

4.74

#D23B3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#D23B3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23B3B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23B3B	#FFFFFF	#000000	##FFFFFF
##D23B3B	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E39

Deuteranopia (green-blind)

#8D7F36

Tritanopia (blue-blind)

#E7003D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d23b3b;
/* rgb */ color: rgb(210, 59, 59);
/* oklch */ color: oklch(57.8% 0.188 25.3);

Tailwind

colors: {
  custom: {
    50: '#e87b71',
    500: '#d23b3b',
    950: '#000000',
  },
}

SCSS

$custom: #d23b3b;
$custom-light: #e87b71;
$custom-dark: #000000;

JSON

{
  "hex": "#d23b3b",
  "rgb": {
    "r": 210,
    "g": 59,
    "b": 59
  },
  "hsl": {
    "h": 0,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57818,
    "c": 0.18816,
    "h": 25.3
  },
  "luminance": 0.17145
}

Semantic roles & 50–950 ramp

primary

#D23B3B

secondary

#94D5D5

accent

#E6E642

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23B3B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →